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Slow strain rate stress corrosion testing machine

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Function summary

Slow strain rate stress corrosion testing machine is mainly used to test metal samples and non-metallic materials (including bars and plates) in NaOH, NO3-, H2S, CL- solution, methanol, N2O4, NH3, wet air and water and other media environment，And in the set temperature (temperature range: normal temperature -60°C) environment，Test for the determination of stress corrosion failure characteristics of metals。It has force, time, loading rate, step (multistage) loading and other control modes, and the conversion between various modes has no impact。

Relevant standard

GB/T 16491 "Electronic Universal Testing Machine"
GB/T 2611 "General Technical Conditions of Testing Machine"
JJG 475 "Electronic universal Testing machine verification Regulations"
GB/T15970.7 and ISO 7539-7, Standard for Slow strain Stress Corrosion Testing of Metals and Alloys

Technical index

Specification and model	ETM504C-S
Maximum load (kN)	50
Test space	Simple space
Testing machine class	0.5 级
Test force measurement range	0.4%-100%FS
Relative error of test force indication value	±0.5%
Test force resolution	1/500000FS
Force control speed adjustment range	0.005-5%FS/s
Relative error of force control speed	Within ±1% of the set value
Displacement resolution	0.048μm
Relative error of displacement indication	Set the value ±0.5%以内
Data acquisition frequency	1-1000Hz
Closed-loop control rate	1000Hz
Beam moving speed adjustment range (mm/min)	Stepless adjustment between 1×10-7 ~ 1×10-3mm/min
Test width (mm)	420
Heater Power (W)	1000
Temperature fluctuation (°C)	Within ±1°C
Temperature resolution (°C)	±0.1°C
Overall dimensions (mm)	775 (W) x 660 (D) x 1740 (H)
Operating voltage	Single-phase 220V±10%;50Hz
Motor power	200W
Security protection	Force overload protection, displacement mechanical limit, voltage overload protection
Weight (kg)	400